how many psi on a blower you need to make 750 hp out of a 502 bbc with 525 hp
I was just wondering, i have 502 bbc motors making around 525 hp and looking to get around 750 out of em. With a 671 blower and no intercooler how many psi would i need. And would motors still be reliable
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There's a lot more to the equation, what heads? Cams? Injected or carb?
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My buddy has a Gen VI 502 mag MPI that made 730hp on Crockett's dyno.
I know the heads had better valves installed but the cam used was very mild. He's running a M1 procharger with @ 5lbs. |
its go be carb and the heads are iron wit a little work done to them as far as the cam i dont know would have to call innovation marine
i just looking roughly 8 psi would give how many more hp |
Originally Posted by slippy0217
(Post 3648242)
its go be carb and the heads are iron wit a little work done to them as far as the cam i dont know would have to call innovation marine
i just looking roughly 8 psi would give how many more hp |
I believe a rule of thumb with everything coinciding with one another (carbs, cams, heads, and so forth) its about 30 hp to 1 lb of boost.....I THINK....that's what I remember to get to 1250 from 800 which was also an Innovation Engine!!!!
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the innovation marine 525 it was almost identicial as the old volvo 525 that innovation marine built
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Originally Posted by sean stinson
(Post 3648262)
I believe a rule of thumb with everything coinciding with one another (carbs, cams, heads, and so forth) its about 30 hp to 1 lb of boost.....I THINK....that's what I remember to get to 1250 from 800 which was also an Innovation Engine!!!!
ALL things being perfect...36hp per pound of boost. 30-33 is average. So, you arencorrect! Dave |
HP per each boost psi is always going to be the biggest just into boost. IE: Your 1st 5 pounds will be more hp per psi boost than say going from 10-15psi.
Edit in: Each psi and each hp per psi is 1 million % dependent on engine size and build and SC and intercooler effeciency and so on and so on. |
not all blowers are going to be equal, not even close...with a procharger 7lbs should be close, maybe a little less...with a 671 10 at least I would think...
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